About the security content of iOS 8.3

This document describes the security content of iOS 8.3.

For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.

iOS 8.3

AppleKeyStore
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to guess the user's passcode
Description: iOS allowed access to an interface which allowed attempts to confirm the user's passcode. This issue was addressed with improved entitlement checking.
CVE-ID
CVE-2015-1085: Elias LimneosEntry updated May 17, 2017

Audio Drivers
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: A validation issue existed in IOKit objects used by an audio driver. This issue was addressed through improved validation of metadata.
CVE-ID
CVE-2015-1086

Backup
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: An attacker may be able to use the backup system to access restricted areas of the file system
Description: An issue existed in the relative path evaluation logic of the backup system. This issues was addressed through improved path evaluation.
CVE-ID
CVE-2015-1087 : TaiG Jailbreak Team

Certificate Trust Policy
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Update to the certificate trust policy
Description: The certificate trust policy was updated. The complete list of certificates may be viewed at https://support.apple.com/kb/HT204132

CFNetwork
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Cookies belonging to one origin may be sent to another origin
Description: A cross-domain cookie issue existed in redirect handling. Cookies set in a redirect response could be passed on to a redirect target belonging to another origin. The issue was address through improved handling of redirects.
CVE-ID
CVE-2015-1089 : Niklas Keller (http://kelunik.com)

CFNetwork
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A user may be unable to fully delete browsing history
Description: Clearing Safari's history did not clear saved HTTP Strict Transport Security state. The issue was addressed through improved data deletion.
CVE-ID
CVE-2015-1090

CFNetwork Session
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Authentication credentials may be sent to a server on another origin
Description: A cross-domain HTTP request headers issue existed in redirect handling. HTTP request headers sent in a redirect response could be passed on to another origin. The issue was addressed through improved handling of redirects.
CVE-ID
CVE-2015-1091 : Diego Torres (http://dtorres.me)

Foundation
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: An application using NSXMLParser may be misused to disclose information
Description: An XML External Entity issue existed in NSXMLParser's handling of XML. This issue was addressed by not loading external entities across origins.
CVE-ID
CVE-2015-1092 : Ikuya Fukumoto

IOAcceleratorFamily
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to determine kernel memory layout
Description: An issue existed in IOAcceleratorFamily that led to the disclosure of kernel memory content. This issue was addressed by removing unneeded code.
CVE-ID
CVE-2015-1094 : Cererdlong of Alibaba Mobile Security Team

IOHIDFamily
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious HID device may be able to cause arbitrary code execution
Description: A memory corruption issue existed in an IOHIDFamily API. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-1095 : Andrew Church

IOHIDFamily
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to determine kernel memory layout
Description: An issue existed in IOHIDFamily that led to the disclosure of kernel memory content. This issue was addressed through improved bounds checking.
CVE-ID
CVE-2015-1096 : Ilja van Sprundel of IOActive

IOMobileFramebuffer
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to determine kernel memory layout
Description: An issue existed in MobileFrameBuffer that led to the disclosure of kernel memory content. This issue was addressed through improved bounds checking.
CVE-ID
CVE-2015-1097 : Barak Gabai of the IBM X-Force Application Security Research Team

Kernel
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to cause a system denial of service
Description: A race condition existed in the kernel's setreuid system call. This issue was addressed through improved state management.
CVE-ID
CVE-2015-1099 : Mark Mentovai of Google Inc.

Kernel
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may escalate privileges using a compromised service intended to run with reduced privileges
Description: setreuid and setregid system calls failed to drop privileges permanently. This issue was addressed by correctly dropping privileges.
CVE-ID
CVE-2015-1117 : Mark Mentovai of Google Inc.

Kernel
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to cause unexpected system termination or read kernel memory
Description: A out of bounds memory access issue existed in the kernel. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-1100 : Maxime Villard of m00nbsd

Kernel
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue existed in the kernel. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-1101 : lokihardt@ASRT working with HP's Zero Day Initiative

Kernel
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: An attacker with a privileged network position may be able to cause a denial of service
Description: A state inconsistency existed in the processing of TCP headers. This issue was addressed through improved state handling.
CVE-ID
CVE-2015-1102 : Andrey Khudyakov and Maxim Zhuravlev of Kaspersky Lab

Kernel
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: An attacker with a privileged network position may be able to redirect user traffic to arbitrary hosts
Description: ICMP redirects were enabled by default on iOS. This issue was addressed by disabling ICMP redirects.
CVE-ID
CVE-2015-1103 : Zimperium Mobile Security Labs

Kernel
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A remote attacker may be able to bypass network filters
Description: The system would treat some IPv6 packets from remote network interfaces as local packets. The issue was addressed by rejecting these packets.
CVE-ID
CVE-2015-1104 : Stephen Roettger of the Google Security Team

Kernel
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A remote attacker may be able to cause a denial of service
Description: A state inconsistency issue existed in the handling of TCP out of band data. This issue was addressed through improved state management.
CVE-ID
CVE-2015-1105 : Kenton Varda of Sandstorm.io

Keyboards
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: QuickType could learn users' passcodes
Description: When using Bluetooth keyboards, QuickType could learn users' passcodes. This issue was addressed by preventing QuickType from being displayed on the lockscreen.
CVE-ID
CVE-2015-1106 : Jarrod Dwenger, Steve Favorito, Paul Reedy of ConocoPhillips, Pedro Tavares of Molecular Biophysics at UCIBIO/FCT/UNL, De Paul Sunny, Christian Still of Evolve Media, Canada

Lock Screen
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: An attacker in possession of a device may prevent erasing the device after failed passcode attempts
Description: In some circumstances, a device might not erase itself after failed passcode attempts. This issue was addressed through additional enforcement of erasure.
CVE-ID
CVE-2015-1107 : Brent Erickson, Stuart Ryan of University of Technology, Sydney

Lock Screen
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: An attacker in possession of a device may exceed the maximum number of failed passcode attempts
Description: In some circumstances, the failed passcode attempt limit was not enforced. This issue was addressed through additional enforcement of this limit.
CVE-ID
CVE-2015-1108

NetworkExtension
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: An attacker in possession of a device may be able to recover VPN credentials
Description: An issue existed in the handling of VPN configuration logs. This issue was addressed by removing logging of credentials.
CVE-ID
CVE-2015-1109 : Josh Tway of IPVanish

Podcasts
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Unnecessary information may be sent to external servers when downloading podcast assets
Description: When downloading assets for podcast a user was subscribed to, unique identifiers were sent to external servers. This issue was resolved by removing these identifiers.
CVE-ID
CVE-2015-1110 : Alex Selivanov

Safari
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A user may be unable to fully delete browsing history
Description: Clearing Safari's history did not clear "Recently closed tabs". The issue was addressed through improved data deletion.
CVE-ID
CVE-2015-1111 : Frode Moe of LastFriday.no

Safari
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Users' browsing history may not be completely purged
Description: A state management issue existed in Safari that resulted in users' browsing history not being purged from history.plist. This issue was addressed by improved state management.
CVE-ID
CVE-2015-1112 : William Breuer, The Netherlands

Sandbox Profiles
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to access phone numbers or email addresses of recent contacts
Description: An information disclosure issue existed in the third-party app sandbox. This issue was addressed by improving the sandbox profile.
CVE-ID
CVE-2015-1113 : Andreas Kurtz of NESO Security Labs, Markus Troßbach of Heilbronn University

Sandbox Profiles
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Hardware identifiers may be accessible by third-party apps
Description: An information disclosure issue existed in the third-party app sandbox. This issue was addressed by improving the sandbox profile.
CVE-ID
CVE-2015-1114

Telephony
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: A malicious application may be able to access restricted telephony functions
Description: An access control issue existed in the telephony subsystem. Sandboxed apps could access restricted telephony functions. This issue was addressed with improved entitlement checking.
CVE-ID
CVE-2015-1115 : Andreas Kurtz of NESO Security Labs, Markus Troßbach of Heilbronn University

UIKit View
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Sensitive data may be exposed in application snapshots presented in the Task Switcher
Description: An issue existed in UIKit, which did not blur application snapshots containing sensitive data in the Task Switcher. This issue was addressed by correctly blurring the snapshot.
CVE-ID
CVE-2015-1116 : The mobile app team at HP Security Voltage, Aaron Rogers of Mint.com, David Edwards of Tech4Tomorrow, David Zhang of Dropbox

WebKit
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Visiting a maliciously crafted website may lead to a user invoking a click on another website
Description: An issue existed when handling touch events. A tap could propagate to another website. The issue was addressed through improved event handling.
CVE-ID
CVE-2015-1125 : Phillip Moon and Matt Weston of www.sandfield.co.nz

WebKit
Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Impact: Visiting a maliciously crafted website may lead to resources of another origin being accessed
Description: An issue existed in WebKit when handling credentials in FTP URLs. This issue was address through improved decoding.
CVE-ID
CVE-2015-1126 : Jouko Pynnonen of Klikki Oy

Wi-FiImpact: A user's password might be sent to an untrusted Wi-Fi access point
Description: The screen which reports an untrusted Wi-Fi certificate had only one button which trusted the certificate. A user who did not wish to use the Wi-Fi access point would have had to press the home or lock buttons to escape the screen. This issue was addressed by adding a visible 'Cancel' button.
CVE-ID
CVE-2015-5762 : Michael Santos

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